1421834196625 has 16 divisors (see below), whose sum is σ = 1774995401088. Its totient is φ = 1137117150000.

The previous prime is 1421834196593. The next prime is 1421834196647. The reversal of 1421834196625 is 5266914381241.

It is not a de Polignac number, because 1421834196625 - 2⁵ = 1421834196593 is a prime.

It is a super-2 number, since 2×1421834196625² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1343037 + ... + 2155786.

It is an arithmetic number, because the mean of its divisors is an integer number (110937212568).

Almost surely, 2^{1421834196625} is an apocalyptic number.

It is an amenable number.

1421834196625 is a deficient number, since it is larger than the sum of its proper divisors (353161204463).

1421834196625 is an equidigital number, since it uses as much as digits as its factorization.

1421834196625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502089 (or 3502079 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 52.

The spelling of 1421834196625 in words is "one trillion, four hundred twenty-one billion, eight hundred thirty-four million, one hundred ninety-six thousand, six hundred twenty-five".